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A thermometer is taken from a room where the temperature is 20C to the outdoors, where...

A thermometer is taken from a room where the temperature is 20C to the outdoors, where the temperature is −7C. After one minute the thermometer reads 8C.

a) What will the reading on the thermometer be after 3 more minutes?

b) When will the thermometer read -6C?

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please check my updated solutions, thank you so much

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